Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Ioannis John Demarakos, MD

Individual provider Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · NPI 1922622653

Dr. Ioannis John Demarakos, MD is a Thoracic Surgery in Seattle, Washington. Qualified in 1998, 28 years ago. Practices with The Association of University Physicians, a 3,459-clinician group and accepts Medicare assignment. Licensed in Washington.

Years since qualifying
28
Licensed in
WA
In the registry since
2020
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1959 NE Pacific St
Seattle, WA 98195-0001
Phone: (206) 520-5000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (primary) Taxonomy 208G00000X · Licence TR61290864 (WA)

Record details

NPI number1922622653
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 28, 2020
Last updated in NPPESOctober 6, 2022
Certification dateOctober 6, 2022

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyTHORACIC SURGERY
Medical schoolOTHER
Graduated 1998 (28 years in practice)
Group practice The Association Of University Physicians — 3459 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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